Home / 70,962.88-97,933.22-39,131.76

Finding the Fourth Proportional to 70,962.88, 97,933.22 and 39,131.76

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Solution

The fourth proportional to 70,962.88, 97,933.22 and 39,131.76 is: 54,004.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,962.88 : 97,933.22 = 39,131.76 : x
  2. Step 2: Convert to fraction form
    70,962.88/97,933.22 = 39,131.76/x
  3. Step 3: Cross multiply
    70,962.88x = 97,933.22 × 39,131.76
  4. Step 4: Simplify right side
    70,962.88x = 3,832,299,261.07
  5. Step 5: Solve for x
    x = 3,832,299,261.07/70,962.88
  6. Step 6: Final answer
    x = 54,004.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.